Physical and chemical analysis:
Description:    Yellow dried root
Odor:               Characteristic
Ash Content:    ≤5%
Loss on Drying: ≤8%

Heavy Metal:   ≤20ppm
Pb:         ≤2ppm
As:         ≤2ppm
Hg:         ≤2ppm
Cd:         ≤2ppm
Pesticides Residue:    Meet USP Requirements

Microbiological:
Total Plate Count:    ≤200000cfu/g
Yeast&Mold:    ≤500cfu/g
E.coil:               Negative
Salmonella:      Negative

General Status:
GMO Free
Non-Irradiation

Packing:    Packed in woven bags.
Storage:    Preserve in well-closed, light-resistant, and protect from moisture
Shelf life:    24 months under the conditions above and in its original packaging.
Remark:    Customized specification can be achieved